一道初二数学题

化简(1/2a)-[1/(a-b)]{[(a-b)/2a]-(a^2)+(b^2)}详细点
2025-04-07 09:04:01
推荐回答(1个)
回答1:

=1/2a-1/(a-b){[(a-b)/2a]-(a+b)(a-b)}
=1/2a-1/2a+a+b
=a+b